/*
 * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
/*
 * Copyright 2001-2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * $Id: NodeSortRecordFactory.java,v 1.2.4.1 2005/09/06 09:53:40 pvedula Exp $
 */

package com.sun.org.apache.xalan.internal.xsltc.dom;

import com.sun.org.apache.xalan.internal.xsltc.DOM;
import com.sun.org.apache.xalan.internal.xsltc.Translet;
import com.sun.org.apache.xalan.internal.xsltc.TransletException;
import com.sun.org.apache.xalan.internal.xsltc.runtime.AbstractTranslet;
import com.sun.org.apache.xml.internal.utils.LocaleUtility;
import com.sun.org.apache.xalan.internal.utils.ObjectFactory;
import java.util.Locale;
import java.text.Collator;

public class NodeSortRecordFactory {

  private static int DESCENDING = "descending".length();
  private static int NUMBER = "number".length();

  private final DOM _dom;
  private final String _className;
  private Class _class;
  private SortSettings _sortSettings;

  /**
   *
   */
  protected Collator _collator;

  /**
   * Creates a NodeSortRecord producing object. The DOM specifies which tree
   * to get the nodes to sort from, the class name specifies what auxillary
   * class to use to sort the nodes (this class is generated by the Sort
   * class), and the translet parameter is needed for methods called by
   * this object.
   *
   * @deprecated This constructor is no longer used in generated code.  It exists only for backwards
   * compatibility.
   */
  public NodeSortRecordFactory(DOM dom, String className, Translet translet,
      String order[], String type[])
      throws TransletException {
    this(dom, className, translet, order, type, null, null);
  }

  /**
   * Creates a NodeSortRecord producing object. The DOM specifies which tree
   * to get the nodes to sort from, the class name specifies what auxillary
   * class to use to sort the nodes (this class is generated by the Sort
   * class), and the translet parameter is needed for methods called by
   * this object.
   */
  public NodeSortRecordFactory(DOM dom, String className, Translet translet,
      String order[], String type[], String lang[],
      String caseOrder[])
      throws TransletException {
    try {
      _dom = dom;
      _className = className;
      // This should return a Class definition if using TrAX
      _class = translet.getAuxiliaryClass(className);
      // This code is only run when the native API is used
      if (_class == null) {
        _class = ObjectFactory.findProviderClass(className, true);
      }

      int levels = order.length;
      int[] iOrder = new int[levels];
      int[] iType = new int[levels];
      for (int i = 0; i < levels; i++) {
        if (order[i].length() == DESCENDING) {
          iOrder[i] = NodeSortRecord.COMPARE_DESCENDING;
        }
        if (type[i].length() == NUMBER) {
          iType[i] = NodeSortRecord.COMPARE_NUMERIC;
        }
      }

      // Old NodeSortRecordFactory constructor had no lang or case_order
      // arguments.  Provide default values in that case for binary
      // compatibility.
      String[] emptyStringArray = null;
      if (lang == null || caseOrder == null) {
        int numSortKeys = order.length;
        emptyStringArray = new String[numSortKeys];

        // Set up array of zero-length strings as default values
        // of lang and case_order
        for (int i = 0; i < numSortKeys; i++) {
          emptyStringArray[i] = "";
        }
      }

      if (lang == null) {
        lang = emptyStringArray;
      }
      if (caseOrder == null) {
        caseOrder = emptyStringArray;
      }

      final int length = lang.length;
      Locale[] locales = new Locale[length];
      Collator[] collators = new Collator[length];
      for (int i = 0; i < length; i++) {
        locales[i] = LocaleUtility.langToLocale(lang[i]);
        collators[i] = Collator.getInstance(locales[i]);
      }

      _sortSettings = new SortSettings((AbstractTranslet) translet,
          iOrder, iType, locales, collators,
          caseOrder);
    } catch (ClassNotFoundException e) {
      throw new TransletException(e);
    }
  }


  /**
   * Create an instance of a sub-class of NodeSortRecord. The name of this
   * sub-class is passed to us in the constructor.
   */
  public NodeSortRecord makeNodeSortRecord(int node, int last)
      throws ExceptionInInitializerError,
      LinkageError,
      IllegalAccessException,
      InstantiationException,
      SecurityException,
      TransletException {

    final NodeSortRecord sortRecord =
        (NodeSortRecord) _class.newInstance();
    sortRecord.initialize(node, last, _dom, _sortSettings);
    return sortRecord;
  }

  public String getClassName() {
    return _className;
  }

  private final void setLang(final String lang[]) {

  }
}
